Nock receiver



FIG. 1 is a back perspective view of the nock receiver showing my new design;

FIG. 2 is a front perspective view of the nock receiver;

FIG. 3 is a left side view of the nock receiver;

FIG. 4 is a front view of the nock receiver; and,

FIG. 5 is a back view of the nock receiver.

The right side view, top view and bottom view are the same as FIG. 3. 

CLAIM The ornamental design for a nock receiver, as shown and described. 